Can perfume expire or go bad?
Perfumes are chemical compositions made of alcohol, water, and aromatic essential oils that undergo gradual oxidation and degradation when exposed to improper environmental conditions over extended periods. An unopened or well-preserved bottle can last for many years, but once a fragrance is exposed to air and repeated temperature fluctuations, its chemical bonds break down, altering the intended aroma. Signs of a spoiled perfume include a noticeable shift in color, a thick or viscous texture, and an unpleasant, vinegar-like, or rancid smell replacing the delicate top notes. To maximize the usable lifespan of a fragrance collection, experts recommend storing bottles inside their original boxes or inside a dedicated storage cabinet where temperature and lighting remain stable and controlled.
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